Re: [MinGW-dvlpr] msys-flex on vista: fatal internal error, exec failed

[Hin-Tak L. <hin...@ya...>]

Keith Marshall wrote:
> I'm fairly certain this used to work on the old Win2K box, but since 
> my company's IT department decided we should all upgrade to vista, I'm 
> seeing this for all attempts to run flex, with any valid input, e.g.:
> 
>   $ flex /e/tmp/pkginfo.l
>   flex: fatal internal error, exec failed
> 
> The result is the same, with both available MSYS builds of flex-2.35.
> Everything else in the MSYS tree is bang up to date, per the msys-base 
> manifests we published for mingw-get, just a few weeks ago, and this is 
> the first mysterious failure I've experienced.
> 
> Anyone else able to reproduce this?  Any ideas how I might set about 
> tracking down the problem?

Possibly UAC related? Vista and Windows 7 have some strange ideas about 
permissions regarding writing to current directory (desktop) as well as creation 
of temporary files (which often happens to be C:/windows/temp or thereabouts).

I'd look for where temp files are written first.